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Zero out contents of a newly-created persisted ChronicleHash

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This commit is contained in:
leventov
2015-08-06 03:46:54 +03:00
parent 2b6c871562
commit b5cf817b2a
4 changed files with 27 additions and 5 deletions
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src/main/java/net/openhft/chronicle/map/ChronicleMapBuilder.java
+9 -2
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@@ -1358,7 +1358,8 @@ public final class ChronicleMapBuilder<K, V> implements
File file, SingleChronicleHashReplication singleHashReplication,
ReplicationChannel channel) throws IOException {
for (int i = 0; i < 10; i++) {
if (file.exists() && file.length() > 0) {
long fileLength = file.length();
if (fileLength > 0) {
try (FileInputStream fis = new FileInputStream(file);
ObjectInputStream ois = new ObjectInputStream(fis)) {
Object m;
@@ -1379,6 +1380,12 @@ public final class ChronicleMapBuilder<K, V> implements
(VanillaChronicleMap<K, ?, ?, V, ?, ?, ?>) m;
map.initTransientsFromBuilder(this);
map.headerSize = roundUpMapHeaderSize(fis.getChannel().position());
long sizeInBytes = map.sizeInBytes();
if (sizeInBytes != fileLength) {
throw new IOException("The file " + file + "the map is serialized from " +
"has unexpected length " + fileLength + ", probably corrupted. " +
"Expected length is " + sizeInBytes);
}
map.createMappedStoreAndSegments(file);
// This is needed to property initialize key and value serialization builders,
// which are later used in replication
@@ -1388,7 +1395,7 @@ public final class ChronicleMapBuilder<K, V> implements
return establishReplication(map, singleHashReplication, channel);
}
}
if (file.createNewFile() || file.length() == 0) {
if (file.createNewFile() || fileLength == 0) {
break;
}
try {